Упростить 0,2*(2,1x-2,3y)-0,4*(3,1y+1,9x)

Question

Упростить

0,2*(2,1x-2,3y)-0,4*(3,1y+1,9x)

Answer 1

0.42x-0.46y-1.24y-0.76x =-0.34x-1.7y

Answer 2

=0,42x–0,46y–1,24y–0,76x=–0,34x–1,7y